\documentclass[12pt,a4paper]{article}
\usepackage{xcolor}
\begin{document}

\begin{figure}
  \input{picture.pdf_tex}
  \label{fig:figure}
\end{figure}

\begin{figure}
  \input{picture2.pdf_tex}
  \label{fig:figure2}
\end{figure}

\end{document}
